127 lines
3.0 KiB
C
Executable File
127 lines
3.0 KiB
C
Executable File
#include "test/jemalloc_test.h"
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static const bool config_stats =
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#ifdef JEMALLOC_STATS
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true
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#else
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false
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#endif
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;
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void *
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thd_start(void *arg)
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{
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int err;
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void *p;
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uint64_t a0, a1, d0, d1;
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uint64_t *ap0, *ap1, *dp0, *dp1;
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size_t sz, usize;
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sz = sizeof(a0);
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if ((err = mallctl("thread.allocated", (void *)&a0, &sz, NULL, 0))) {
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if (err == ENOENT)
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goto label_ENOENT;
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test_fail("%s(): Error in mallctl(): %s", __func__,
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strerror(err));
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}
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sz = sizeof(ap0);
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if ((err = mallctl("thread.allocatedp", (void *)&ap0, &sz, NULL, 0))) {
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if (err == ENOENT)
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goto label_ENOENT;
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test_fail("%s(): Error in mallctl(): %s", __func__,
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strerror(err));
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}
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assert_u64_eq(*ap0, a0,
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"\"thread.allocatedp\" should provide a pointer to internal "
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"storage");
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sz = sizeof(d0);
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if ((err = mallctl("thread.deallocated", (void *)&d0, &sz, NULL, 0))) {
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if (err == ENOENT)
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goto label_ENOENT;
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test_fail("%s(): Error in mallctl(): %s", __func__,
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strerror(err));
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}
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sz = sizeof(dp0);
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if ((err = mallctl("thread.deallocatedp", (void *)&dp0, &sz, NULL,
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0))) {
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if (err == ENOENT)
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goto label_ENOENT;
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test_fail("%s(): Error in mallctl(): %s", __func__,
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strerror(err));
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}
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assert_u64_eq(*dp0, d0,
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"\"thread.deallocatedp\" should provide a pointer to internal "
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"storage");
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p = malloc(1);
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assert_ptr_not_null(p, "Unexpected malloc() error");
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sz = sizeof(a1);
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mallctl("thread.allocated", (void *)&a1, &sz, NULL, 0);
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sz = sizeof(ap1);
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mallctl("thread.allocatedp", (void *)&ap1, &sz, NULL, 0);
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assert_u64_eq(*ap1, a1,
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"Dereferenced \"thread.allocatedp\" value should equal "
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"\"thread.allocated\" value");
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assert_ptr_eq(ap0, ap1,
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"Pointer returned by \"thread.allocatedp\" should not change");
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usize = malloc_usable_size(p);
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assert_u64_le(a0 + usize, a1,
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"Allocated memory counter should increase by at least the amount "
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"explicitly allocated");
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free(p);
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sz = sizeof(d1);
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mallctl("thread.deallocated", (void *)&d1, &sz, NULL, 0);
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sz = sizeof(dp1);
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mallctl("thread.deallocatedp", (void *)&dp1, &sz, NULL, 0);
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assert_u64_eq(*dp1, d1,
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"Dereferenced \"thread.deallocatedp\" value should equal "
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"\"thread.deallocated\" value");
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assert_ptr_eq(dp0, dp1,
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"Pointer returned by \"thread.deallocatedp\" should not change");
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assert_u64_le(d0 + usize, d1,
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"Deallocated memory counter should increase by at least the amount "
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"explicitly deallocated");
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return (NULL);
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label_ENOENT:
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assert_false(config_stats,
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"ENOENT should only be returned if stats are disabled");
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test_skip("\"thread.allocated\" mallctl not available");
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return (NULL);
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}
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TEST_BEGIN(test_main_thread)
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{
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thd_start(NULL);
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}
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TEST_END
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TEST_BEGIN(test_subthread)
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{
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thd_t thd;
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thd_create(&thd, thd_start, NULL);
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thd_join(thd, NULL);
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}
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TEST_END
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int
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main(void)
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{
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/* Run tests multiple times to check for bad interactions. */
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return (test(
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test_main_thread,
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test_subthread,
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test_main_thread,
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test_subthread,
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test_main_thread));
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}
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